Kenwood-KDCX-659-Service-Manual(2) 电路图 维修手册.pdf

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1、 2002-3 PRINTED IN JAPAN B51-7927-00 (S) 1727 CD RECEIVER G KDC-MP819/X659/Z838 SERVICE MANUAL This service manual does not include information on the CD mechanism assembly (exploded view, parts list, schematic diagram or mechanism operation description). For such information, please refer to the CD

2、 mechanism assembly service manual (X92-4460-0 x: B51-7891-00). Front glass (B10-4207-01) Panel assy (A64-2644-11) KDC-MP819 Front glass (B10-4212-01) Panel assy (A64-2649-11) KDC-Z838 Front glass (B10-4206-01) Panel assy (A64-2643-11) KDC-X659 Screw set (N99-1723-05) Screw set (N99-1656-05) Lever (

3、D10-4674-04)x2 Mounting hardware assy (J21-9823-03) Plastic cabinet assy (A02-2712-13) Remote controller assy (A70-2026-05): KDC-MP819 Remote controller assy (A70-2025-05): KDC-X659/Z838 Escutcheon (B07-3050-02): KDC-MP819/Z838 (B07-3057-02): KDC-X659 DC cord (E30-6062-05) : KDC-MP819/X659 DC cord (

4、E30-6106-05) : KDC-Z838 RadioFans.CN 收音机爱 好者资料库 KDC-MP819/X659/Z838 2 BLOCK DIAGRAM CH F/E FM+B PLL+B AM+B E-VOL MI-COM ISO AMP EJECT LED DSI 4.5V PRE DC/DC ACC DET DIMMER ACC DIMMER POWER IC PRE AMP PRE OUT SP OUT MUTE DRIVER NOISE BUFFER ANT-CONANT-CON P-CONP-CON IF+B CD MECHA AUX SW OP AMP ES SPE

5、ANA AGC OP AMP MUTE 4.5V BU DETBACK UP EX AMP CONTEX AMP CONT RESET DET PANEL KEY ILL MATRIX KEY FL SW MI-COM PANEL SPEANA BPF REMO RESET REG SW BUFFER 3.3V SW SERVO AVR CD5V BOX DC/DC A8V SW14V DC/DC REG BU5V SW5V PANEL5V Q43,44 Q45,46 IC1 IC2 Q36IC8,Q34 IC5 Q37-42 IC10-12 IC4 Q32, IC733,35 Q15 Q31

6、 Q30 Q14 Q111,112 Q26-29 Q3 Q9 IC3,Q4-6 IC6,Q16-23 Q1 IC23,Q472 A1Q10-13 Q7,8 Q473,474 IC16305,306 IC1 IC5 IC2 ED1Q1,2 Q7-10 IC3 IC4 IC20 IC21 EEP ROM IC25 Q101, EXCEPT KDC-MP819 EXCEPT KDC-MP819 EXCEPT KDC-MP819 Q3 KDC-MP819 ONLY KDC-MP819 ONLY SDA SCL S-METER SW5V RDCK FM AMAUDIO OUT BACK UP DATA

7、H DATA C MUTE CH SDA RDDA BU5V BU5V DSI EJECT G EJECT R/G CD/MD FM AM BU5V PRE MUTE PMUTE PSTBY MUTE BEEP AUX SW CD-AUX E-VOL OUT LEVEL A8V IFC OUT SW5V A8V SCL QUAL AFS SERVO BU5V Rch Lch A8V CD5V A8V A8V REQ H RST REQ C CH CON CLK A8V A8V +B -B BACK UP BU5VBU5V MC REQ SC CON FL+B RED SI2 SI1 CLK G

8、REEN KS1-KS4 KR1-KR5 F01-F06 WAVE P5V MC CLK SC REQ P RST MC DATA GCP LAT P5V REMO FL+B FAC BK P5VA8V +B -B SERVO FAC FL+B MI-COM CD5V MI-COM SW5V MI-COM BU5V P5V MI-COM 613mV274mV 2005mV 3795mV 1.8V PRE 896mV 1695mV KDC-X659 (K) 4.5V PRE AUX CHANGER 4.5V PRE CD/MD CHANGER AM FM AUX 896mV 274mV 1695

9、mV 2005mV 613mV 3795mV 1.8V PRE1.8V PRE 3717mV 1964mV CD/MD CHANGER FM AM AUX4469mV 722mV 2361mV 4.5V PRE 600mV QUAL ES OUT LEVELPRE OUT LEVEL M RST SW1 SW2 SW4 SW3 LO/EJ M STOP M SW MUTE R MUTE L KDC-MP819 (K) KDC-Z838 (M) KDC-MP819 (K) KDC-Z838 (M) KDC-X659 (K) KDC-Z838 (M) KDC-X659 (K) KDC-MP819

10、(K) 251mV (M)TYPE 470mV (K)TYPE 215mV 1200mV 1200mV RadioFans.CN 收音机爱 好者资料库 KDC-MP819/X659/Z838 3 G SWITCH UNIT (X16-168X-XX) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1TAR5S33FL AVR+3.3V Output IC2TC74HC4050AFTBufferFor FL control lines, 5V 3.3V logic level shifti

11、ng IC3RS-171Remote sensor IC IC4BA3830FBPF ICBPF for the spectrum analyser indicator IC5UPD703032GFA04Panel MI-COM. Q1DTA144EUA or UN5113 FL+B SW FL & Illumination +B ON/OFF control. When Q2s base goes Hi, Q1 is turned on, and FL+B(45V) line is supplied to the FL indicator and Q2DTC114YUA or UN5214

12、the key illumination circuit. Q3DTA114EUA or UN5111REMO SW When a base goes Lo, Q3 is turned on, and PAN5V line is supplied to IC3 and IC4. Q4DTC114EUA or UN5211FL blanking SWWhen a base goes Hi, Q4 is turned on, and FL indicator is lit. Q6DTC114YK or UN2214SRC key illumination SWWhen a base goes Hi

13、, Q6 is turned on, and SRC illumination is lit. Q72SC4081V-I converterCurrent driver for green LEDs Q82SC4081V-I converterCurrent driver for red LEDs Q9DTA114EUA or UN5111Key illumination Red SWWhen a base goes Lo, Q9 is turned on, and key illumination Red is lit. Q10DTA114EUA or UN5111Key illuminat

14、ion Green SWWhen a base goes Lo, Q10 is turned on, and key illumination Green is lit. COMPONENT DESCRIPTION G ELECTRIC UNIT (X25-9240-XX) Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1UPD703033GFA17System MI-COM. IC2TDA7407E-VOL.& N.C. MPX IC3M5237MLAVR ICIC is combin

15、ed with Q4, and it works as the error detection, the Q4s driver. IC4TDA7560Power IC IC5TDA7401 High pass filter & HPF(Front/Rear output), LPF, Non-Fader switching and volume function Non-Fader volume IC6ICL7660SIBADC/DC converter-9V AVR for pre-output amplifier IC7TC74HC02AFMute logic2-input NOR x 4

16、 IC8NJM4565M-TE2Op. amp.Amplifier for the spectrum analyser and generation of Vref. (1/2Vcc) voltage IC10NJM4565M-TE2Op. amp.Amplifier for the front pre-outputs IC11NJM4565M-TE2Op. amp.Amplifier for the non-fader pre-outputs IC12NJM4565M-TE2Op. amp.Amplifier for the rear pre-outputs IC16S-80837ANNPR

17、eset ICWhen BU 5V voltage is less than 3.7V, IC outputs Lo. IC20BA3121FIsolation amplifierAUX inputs isolation amplifier IC21BA3129FSwitched op.amp.Input switching with AUX inputs and CD inputs IC23SI-8050JDMECHA. AVRDC/DC converter, +5V output for CD mechanism adapted for MP3 IC25BR24C02F-WEEPROM Q

18、12SD2375CD servo AVRAVR for CD mechanism servo operation, +7.5V output. Q32SA1037KSW 5V While a base goes Lo, SW 5V is supplied to the microprocessor peripheral circuits. Q42SA2057A.+8V AVRQ4 is combined with IC3, and it works as the power supply of +8.0V output. Q5DTC144EUA or UN5213 A.+8V AVR SWWh

19、en Q5s base goes Hi, Q6 is turned on, and A.+8V AVR is working. Q6DTA124EUA or UN5112 Q7DTA124EUA or UN5112 SW14V When Q8s base goes Hi, Q7 is turned on, and A.+8V AVR, CD servo Q8DTC124EUA or UN5212AVR and A.+10V AVR are working. Q92SB1427PAN5V SW For PAN5V on/off switching. When a base goes Lo wit

20、h panel attached to the set, Q9 is turned on, and PAN5V is supplied to the panel. Q102SA2057 FL/Illumination AVRWhen Q11s base goes Hi, AVR outputs +9V. Q112SC4081 Q12DTC124EUA or UN5212 FL/Illumination AVR SW When Q12s base goes Hi, Q13 is turned on, and FL/Illumination AVR Q13DTA124EUA or UN5112is

21、 working. Q14DTA123JK or KRA105SEXT. AMP CON. SWWhen a base goes Lo, Q14 is turned on, and control pulse signal is outputted. Q15DTC144EUA or UN5213Dimmer detection SWWhen vehicle small lamps turn on, Q15s base goes Hi, and it is turned on. Q162SB1443 A.+10V AVRWhen Q17s base goes Hi, AVR outputs +1

22、0V. Q172SC4081 RadioFans.CN 收音机爱 好者资料库 KDC-MP819/X659/Z838 4 Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility COMPONENT DESCRIPTION Q182SA1576A Q18 and Q20 work as a differential amplifier, Q19 works as a driver, Q192SC4081PRE-AMP -9V AVR and -9.3V is supplied to OP AMP. Q2

23、02SA1576A Q212SC4081 Q21and Q22 work as a differential amplifier, Q23 works as a driver, Q222SC4081PRE-AMP +9V AVR and +9.7V is supplied to OP AMP. Q232SA1576A Q262SB1277(Q,R) P-CON SW When Q29s base goes Hi, Q26 is turned on, and P-CON signal is outputted. Q29DTC114YUA or UN5214Works during POWER O

24、N mode. Q272SA1576AP-CON. protection SWProtect Q26 by turning ON when P-CON output is grounded. Q28DTA124EUA or UN5112P-CON. protection inhibit SWPrevents Q27 tuning ON during start-up after power ON. While BACKUP is applied, a base goes Hi, and Q30 is turned on. Q302SC4081BU detection SWWhen moment

25、ary power down has detected, a base goes Lo, and Q30 is turned off. Q312SC4081ACC detection SWWhile ACC is applied, a base goes Hi, and Q31 is turned on. Q32DTA124EUA or UN5112Mute driver for R Ch.When BU detection SW or System RESET or MI-COM.s MUTE is Q33DTA124EUA or UN5112Mute driver for L Ch.wor

26、king, a base goes Lo, and Q32 and Q33 are turned on. Q342SC4081AGC for spectrum analyser Q35DTC124EUA or UN5212E. VOL. mute SW When BU detection SW or MI-COM.s mute is working, a base goes Hi, and Q35 is turned on. Q36DTC143TUA or UN5216Noise buffer Q37DTC143TUA or UN5216Audio mute SW (Front L)When

27、Q37s base goes Hi, Pre-output is muting. Q38DTC143TUA or UN5216Audio mute SW (Front R)When Q38s base goes Hi, Pre-output is muting. Q39DTC143TUA or UN5216Audio mute SW (Non Fader R)When Q39s base goes Hi, Pre-output is muting. Q40DTC143TUA or UN5216Audio mute SW (Non Fader L)When Q40s base goes Hi,

28、Pre-output is muting. Q41DTC143TUA or UN5216Audio mute SW (Rear L)When Q41s base goes Hi, Pre-output is muting. Q42DTC143TUA or UN5216Audio mute SW (Rear R)When Q42s base goes Hi, Pre-output is muting. Q43DTC124EUA or UN5212 FM+B SW When Q43s base goes Hi, Q44 is turned on, and A.+8V is supplied to

29、Q44CPH3105the F/E. Works during FM reception mode or RDS reception mode. Q45DTC124EUA or UN5212 AM+B SW When Q45s base goes Hi, Q46 is turned on, and A.+8V is supplied to Q46CPH3105the F/E. Works during AM reception mode. Q101DTA114YUA or UN5114DSI LED SWWhen a base goes Lo, Q101 is turned on, and D

30、SI illumination LED is lit. Q103DTC124EUA or UN5212AUX/CD selector SW When a base goes Hi, AUX inputs are selected. When a base goes Lo, CD inputs are selected. Q1112SB1277(Q,R) P-ANT SW When Q112s base goes Hi, Q111 is turned on, and P-ANT signal is outputted. Q112DTC114YUA or UN5214Works during FM

31、/AM reception mode or RDS reception mode. Q305DTA114YUA or UN5114EJECT LED SW When a base goes Lo, Q305 is turned on, and EJECT illumination LED is lit. Q306DTA114YUA or UN5114EJECT LED SW When a base goes Lo, Q306 is turned on, and EJECT illumination LED is lit. Q472DTC144EUA or UN5213MECHA. AVR SW

32、When a base goes Hi, Q472 is turned on, and MECHA. AVR operation stops. Q4732SC4081 BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q4742SB1548(P)Q473 and Q474 are inverted Darlington connection. KDC-MP819/X659/Z838 5 G IC5 (SWITCH UNIT : X16-168X-XX) Pin No.Pin NameI/ODescriptionProcessing Oper

33、ation 1SC DATAI/OData input/output with the system MI-COM. 2MC CLKIClock input from the system MI-COM. 3NCONot used(N.C.) 4DATA 1OData output 1 to the FL driver IC 5CLKOClock output to the FL driver IC(Data shift by the rise edge of the pulse) 6NCONot used(N.C.) 7DATA 2OData output 2 to the FL drive

34、r IC 8CLK INIClock input from the FL driver IC(Data shift by the rise edge of the pulse) 9EVDD-Positive power supply connection terminalConnected to P5V lines. 10EVSS-Ground connection terminalConnected to GND lines. 11RED LEDO Illumination red ON/OFF output in case of two colours /Illumination ON/O

35、FF output in case of one colour Lo: ON, Hi: OFF 12GREEN LEDO Illumination green ON/OFF output in case of two coloursLo: ON, Hi: OFF in case of two colours /Not used in case of one colour/Not used(N.C.) in case of one colour 13REMOIData input from the remote control light sensor 14LATCHOLatch output

36、to the FL driver ICLo: Latch, Hi: Through 15GCPOControl pulse output to the FL brightness 16REMO ONI/O Power supply ON/OFF output to the remote control Lo: ON, Hi-z: OFF light sensor IC and BPF IC 17-19 NCONot used(N.C.) 20BLKODisplay ON/OFF control outputLo: Display OFF, Hi: Display ON 21TESTITest

37、terminalNot used(Connected to GND lines) 22-33 NCONot used(N.C.) 34RESETIReset terminalLo: Reset, Hi: Reset release 35XT1-Sub clock resonator connection terminalNot used(Pull down to GND lines) 36XT2-Sub clock resonator connection terminalNot used(N.C.) 37REGC- Capacitor connection terminal for regu

38、lator inside microprocessor 38X2-Main clock resonator connection terminal 39X1-Main clock resonator connection terminal 40VSS-Ground connection terminalConnected to GND lines. 41VDD-Positive power supply connection terminalConnected to P5V lines. 42-47 NCONot used(N.C.) 48FL +3.3VOFL VDD ON/OFF outp

39、utLo: OFF, Hi: ON 49FL+BI/OFL+B ON/OFF outputHi-Z: OFF, Hi: ON 50-55 NCONot used(N.C.) 56BLUE LEDI/OSource key LED ON/OFF outputHi-Z: OFF, Hi: ON 57NCONot used(N.C.) 58BVDD-Positive power supply connection terminalConnected to P5V lines. 59BVSS-Ground connection terminalConnected to GND lines. 60-71

40、 NCONot used(N.C.) 72SA RESETOReset output to the BPF ICHi: Reset 73NCONot used(N.C.) 74AVDD-A/D converter positive power supply connection terminalConnected to P5V lines. 75AVSS-A/D converter ground connection terminalConnected to GND lines. 76AVREF-A/D converter reference voltage input terminal 77

41、F01IBPF(63Hz) input 78F02IBPF(150Hz) input 79F03IBPF(330Hz) input 80F04IBPF(1kHz) input 81F05IBPF(3.3kHz) input 82F06IBPF(10kHz) input 83WAVE INIAudio input 84KR5IKey return 5 input 85KR4IKey return 4 input 86KR3IKey return 3 input 87KR2IKey return 2 input MICROCOMPUTERS TERMINAL DESCRIPTION KDC-MP8

42、19/X659/Z838 6 Pin No.Pin NameI/ODescriptionProcessing Operation 88KR1IKey return 1 input 89SC REQOCommunication request output to the system MI-COM.Lo: Standby, Hi: Request 90NCONot used(N.C.) 91SC CONIControl input from the system MI-COM.Hi: Operation mode 92NCONot used(N.C.) 93SOURCEISource key i

43、nputLo: Key OFF, Hi: Key ON 94VREF CONOA/D converter reference voltage control outputHi: Active, Connected to AVREF terminal 95MC REQICommunication request input from the system MI-COM.Hi: Request 96KS4I/OKey scan output 4 97KS3I/OKey scan output 3 98KS2I/OKey scan output 2 99KS1I/OKey scan output 1

44、 100MC DATAIData input from the system MI-COM. MICROCOMPUTERS TERMINAL DESCRIPTION G IC5 (ELECTRIC UNIT: X25-9240-XX) Pin No.Pin NameI/ODescriptionProcessing Operation 1MC DATAI/OData input/output with the panel MI-COM. 2MC CLKOClock output to the panel MI-COM. Lo: DSI ON, Hi-Z: DSI OFF 3DSI GUIDEI/

45、ODSI control outputLights on at the panel tilted during POWER ON mode. Flashing at the panel detached during POWER ON mode. Lo: ON, Hi-Z: OFF 4EJECT KEY GOEject key illumination green control outputLights on at the panel tilted during POWER ON mode in case of the key illumination green. 5EJECT KEY R

46、/GOEject key illumination red/green control output Lo: ON, H-Z: OFF Lights on at the panel tilted during POWER ON mode. 6 MC REQ I/O Communication request output to the panel MI-COM.Hi: Request /FLIP DET/Flip detection input/Lo: Panel detached, Hi: Panel attached 7IC2 SDAI/OData input/output with IC

47、2, IC5, and IC25 8IC2 SCLI/OClock input/output with IC2, IC5, and IC25 9EVDD-Positive power supply connection terminalConnected to BU 5V lines. 10EVSS-Ground connection terminalConnected to GND lines. 11PAN RESETOReset output to the panel MI-COM.Lo: Reset or Momentary power down detected 12BEEPOBEEP

48、 output 13REMOIData input from the wired remote control 14SVROSVR outputNot used(N.C.) 15DIMMERISmall lights detection inputLo: During vehicle small lamps turn on 16PLL DATAI/OData input/output with F/E 17PLL CLKI/OClock input/output with F/E 18P-STBYOPOWER IC STBY outputLo: Power IC OFF, Hi: Power

49、IC ON or ALL OFF mode 19P-CONI/OP-CON output Hi-Z: POWER OFF mode or ALL OFF mode, Hi: POWER ON mode 20ANT-CONOANT-CON output Hi: During TUNER mode or last FM mode with RDS/RBDS model 21TEST-Test terminalNot used(Connected to GND lines) 22P MUTEOPOWER IC mute output Lo: Muting during POWER OFF mode, ALL OFF mode and TEL MUTE ON 23PAN5VI/OPanel 5V control output Lo: Panel attached normally, Hi-Z: Panel detached or tilted Bass boost OFF_Hi: 160msec, Lo: 40msec 24EXT-AMP-CONOExternal amp. control output (in 200msec)Bass boost LOW_Hi: 130msec, Lo: 70msec Bass boost HI_ Hi: 100msec, Lo: 1